Microbial fuel cell operation on carbon monoxide: Cathode catalyst selection |
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Authors: | V. NeburchilovP. Mehta A. Hussain H. WangS.R. Guiot B. Tartakovsky |
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Affiliation: | a Institute for Fuel Cell Innovation, National Research Council of Canada, 4250 Wesbrook Mall, Vancouver, BC, Canada V6T 1W5 b Biotechnology Research Institute, National Research Council of Canada, 6100 Royalmount Ave, Montreal, QC, Canada H2P 2R2 c Department of Bioresource Engineering, McGill University, Ste-Anne-de-Bellevue, QC, Canada H9X 3V9 |
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Abstract: | Electricity production from carbon monoxide (CO) in a microbial fuel cell (MFC) has recently been demonstrated. Efficient operation of this MFC requires a CO-tolerant and preferably inexpensive cathode. Pyrolised CoTMPP, FeTMPP, and Co/FeTMPP gas diffusion cathodes were tested in MFCs operated on acetate or CO. When the MFC was fed with acetate the best cathode performance was obtained when using a Co/FeTMPP (3:1) cathode with a Me catalyst load of 0.5 mg cm−2, although this performance was slightly lower than that obtained with a cathode containing 0.5 mg-Pt cm−2. Tests using a MFC operated on CO showed a higher power output when using the Co/FeTMPP cathode when compared both with CoTMPP and Pt cathodes. |
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Keywords: | MFC Carbon monoxide Cathode CoTMPP FeTMPP |
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